Department of Transport are completing night works on Old Western Hwy Bridge over Djerriwarrh Creek, west of Harkness Rd.
Works are anticipated to be completed over one or two nights, beginning 30 May.
Detour from Melton to Bacchus Marsh will be via Coburns Rd & Western Fwy to exit at Hopetoun Park Rd.
Old Western Hwy will remain open from Bacchus Marsh to Melton.
Nerowie Road between Parwan South Road and Geelong Bacchus-Marsh Road will be closed from Monday 5 June - Wednesday 7 June, 7am-5pm for road maintenance work.
A detour will be in place along Geelong Bacchus-Marsh Road and Parwan Exford Road.